Finding the Fourth Proportional to 106,901.53, 160,346.48 and 40,340.05
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Solution
The fourth proportional to 106,901.53, 160,346.48 and 40,340.05 is: 60,507.88
Step by Step Solution
- Step 1: Write the proportion equation
106,901.53 : 160,346.48 = 40,340.05 : x - Step 2: Convert to fraction form
106,901.53/160,346.48 = 40,340.05/x - Step 3: Cross multiply
106,901.53x = 160,346.48 × 40,340.05 - Step 4: Simplify right side
106,901.53x = 6,468,384,218.79 - Step 5: Solve for x
x = 6,468,384,218.79/106,901.53 - Step 6: Final answer
x = 60,507.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.